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Correct depth render.

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This commit is contained in:
Sergey Lipskiy 2018-03-24 21:27:39 +07:00
parent bdb0f7ca94
commit e3bd9a0ccf
2 changed files with 7 additions and 6 deletions
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3
src/DepthBufferRender/DepthBufferRender.cpp
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@ -14,6 +14,7 @@
//
//****************************************************************
#include <algorithm>
#include "N64.h"
#include "gDP.h"
#include "FrameBuffer.h"
@ -227,7 +228,7 @@ void Rasterize(vertexi * vtx, int vertices, int dzdx)
idx = (shift + x) ^ 1;
if (encodedZ < destptr[idx])
destptr[idx] = encodedZ;
z += dzdx;
z = std::min(z + dzdx, 0x7fffffff);
}
}

10
src/SoftwareRender.cpp
View File

@ -36,9 +36,9 @@ bool calcScreenCoordinates(SPVertex * _vsrc, vertexclip * _vclip, u32 _numVertex
}
if ((v.modify & MODIFY_Z) == 0) {
_vclip[i].z = (gSP.viewport.vtrans[2] + (v.z / v.w) * gSP.viewport.vscale[2]) * 32768.0f;
_vclip[i].z = (gSP.viewport.vtrans[2] + (v.z / v.w) * gSP.viewport.vscale[2]) * 32767.0f;
} else {
_vclip[i].z = v.z * 32768.0f;
_vclip[i].z = v.z * 32767.0f;
}
clipTest(_vclip[i]);
@ -104,15 +104,15 @@ int calcDzDx2(const SPVertex ** _vsrc)
const SPVertex * v = _vsrc[0];
double X0 = gSP.viewport.vtrans[0] + (v->x / v->w) * gSP.viewport.vscale[0];
double Y0 = gSP.viewport.vtrans[1] + (v->y / v->w) * -gSP.viewport.vscale[1];
double Z0 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32768.0f;
double Z0 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32767.0f;
v = _vsrc[1];
double X1 = gSP.viewport.vtrans[0] + (v->x / v->w) * gSP.viewport.vscale[0];
double Y1 = gSP.viewport.vtrans[1] + (v->y / v->w) * -gSP.viewport.vscale[1];
double Z1 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32768.0f;
double Z1 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32767.0f;
v = _vsrc[2];
double X2 = gSP.viewport.vtrans[0] + (v->x / v->w) * gSP.viewport.vscale[0];
double Y2 = gSP.viewport.vtrans[1] + (v->y / v->w) * -gSP.viewport.vscale[1];
double Z2 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32768.0f;
double Z2 = (gSP.viewport.vtrans[2] + (v->z / v->w) * gSP.viewport.vscale[2]) * 32767.0f;
double diffy_02 = Y0 - Y2;
double diffy_12 = Y1 - Y2;
double diffx_02 = X0 - X2;